| 33 |
|
# possibly make more configurable? |
| 34 |
|
# -- allow configurable periods of graphs |
| 35 |
|
# -- comments, types, etc |
| 36 |
– |
# -- move all to external config file |
| 36 |
|
|
| 37 |
+ |
my($version) = '$Id$'; |
| 38 |
+ |
|
| 39 |
|
$| = 1; |
| 40 |
+ |
|
| 41 |
|
use strict; |
| 42 |
+ |
use Getopt::Std; |
| 43 |
|
use RRDs; |
| 44 |
|
|
| 45 |
< |
# Base directory for images |
| 46 |
< |
# (a directory will be constructed for each host under this) |
| 47 |
< |
my($imgdir) = "/home/pkg/iscream/public_html/graphs"; |
| 45 |
> |
# define variables that will be read from the config |
| 46 |
> |
# nb. keep this insync with the config file! |
| 47 |
> |
use vars qw{ |
| 48 |
> |
$imgdir $rrddir |
| 49 |
> |
$maxrrdage $maximgage $deleterrds $deleteimgs |
| 50 |
> |
$hex_slash $hex_underscore |
| 51 |
> |
$rrdstep $retry_wait |
| 52 |
> |
$verbose $quiet |
| 53 |
> |
}; |
| 54 |
|
|
| 55 |
< |
# Location of RRD databases |
| 56 |
< |
my($rrddir) = "/u1/i-scream/databases"; |
| 55 |
> |
# default locate of the config file |
| 56 |
> |
my($configfile) = "rrdgraphing.conf"; |
| 57 |
|
|
| 58 |
< |
# / converted to a decimal then hex'd |
| 59 |
< |
my($hex_slash) = "_2f"; |
| 60 |
< |
# _ converted to a decimal then hex'd |
| 61 |
< |
my($hex_underscore) = "_5f"; |
| 62 |
< |
|
| 58 |
> |
# check for command line arguments |
| 59 |
> |
my(%opts); |
| 60 |
> |
my($ret) = getopts('hvqVc:', \%opts); |
| 61 |
> |
|
| 62 |
> |
# if invalid argument given, $ret will not be 1 |
| 63 |
> |
&usage() if $ret != 1; |
| 64 |
> |
|
| 65 |
> |
# first process the arguments which might mean we exit now |
| 66 |
> |
|
| 67 |
> |
# -h is usage |
| 68 |
> |
if($opts{h}) { |
| 69 |
> |
&usage(); |
| 70 |
> |
} |
| 71 |
> |
# -V is version |
| 72 |
> |
if($opts{V}) { |
| 73 |
> |
print "graph.pl version: $version\n"; |
| 74 |
> |
exit(1); |
| 75 |
> |
} |
| 76 |
> |
|
| 77 |
> |
# Then try getting the config |
| 78 |
> |
|
| 79 |
> |
# -c specifies the config file location |
| 80 |
> |
if($opts{c}) { |
| 81 |
> |
$configfile = $opts{c}; |
| 82 |
> |
} |
| 83 |
> |
# suck in the config |
| 84 |
> |
&log("reading config from $configfile\n"); |
| 85 |
> |
do $configfile; |
| 86 |
> |
|
| 87 |
> |
# Then any options we might want to override the config with |
| 88 |
> |
|
| 89 |
> |
# -v is verbose |
| 90 |
> |
if($opts{v}) { |
| 91 |
> |
$verbose = $opts{v}; |
| 92 |
> |
} |
| 93 |
> |
# -q is verbose |
| 94 |
> |
if($opts{q}) { |
| 95 |
> |
$quiet = $opts{q}; |
| 96 |
> |
# if we're meant to be quiet, we can hardly be verbose! |
| 97 |
> |
$verbose = 0; |
| 98 |
> |
} |
| 99 |
> |
|
| 100 |
> |
|
| 101 |
|
# Read the contents of the base directory |
| 102 |
|
# and pull out the list of subdirectories (except . and .. :) |
| 103 |
|
opendir(DIR, $rrddir); |
| 115 |
|
# See what rrd we have, and generate the graphs accordingly |
| 116 |
|
foreach my $rrd (@rrdlist) { |
| 117 |
|
chomp $rrd; |
| 118 |
+ |
# stat the file |
| 119 |
+ |
my($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime, |
| 120 |
+ |
$ctime,$blksize,$blocks) = stat("$rrddir/$machine/$rrd"); |
| 121 |
+ |
# check if it's old enough to be deleted |
| 122 |
+ |
if((time - $mtime) > $maxrrdage) { |
| 123 |
+ |
# do we delete the rrd, or just ignore it? |
| 124 |
+ |
if($deleterrds) { |
| 125 |
+ |
# if so, delete it |
| 126 |
+ |
unlink("$rrddir/$machine/$rrd"); |
| 127 |
+ |
&log("deleted old rrd $rrddir/$machine/$rrd\n"); |
| 128 |
+ |
} |
| 129 |
+ |
else { |
| 130 |
+ |
&log("ignored old rrd $rrddir/$machine/$rrd\n"); |
| 131 |
+ |
} |
| 132 |
+ |
# no more processing required for this rrd |
| 133 |
+ |
next; |
| 134 |
+ |
} |
| 135 |
|
if($rrd =~ /^(cpu)\.rrd$/) { |
| 136 |
|
my(@data); |
| 137 |
|
my(@rawdata); |
| 227 |
|
&makegraph($machine, $baserrd, $comment, \@data, \@rawdata); |
| 228 |
|
} |
| 229 |
|
} |
| 230 |
+ |
# have a last check, maybe we can remove the directory now? |
| 231 |
+ |
# (only if we're deleting stuff) |
| 232 |
+ |
if($deleterrds) { |
| 233 |
+ |
# Read the contents of the directory |
| 234 |
+ |
opendir(DIR, "$rrddir/$machine"); |
| 235 |
+ |
my(@dirlist) = grep { !/^\.$/ && !/^\.\.$/ } readdir(DIR); |
| 236 |
+ |
closedir DIR; |
| 237 |
+ |
if($#dirlist == -1) { |
| 238 |
+ |
rmdir "$rrddir/$machine"; |
| 239 |
+ |
&log("deleting empty rrd directory $rrddir/$machine\n"); |
| 240 |
+ |
} |
| 241 |
+ |
} |
| 242 |
|
} |
| 243 |
|
|
| 244 |
+ |
if($deleteimgs) { |
| 245 |
+ |
# Read the contents of the graphs directory |
| 246 |
+ |
# and pull out the list of subdirectories (except . and .. :) |
| 247 |
+ |
opendir(DIR, $imgdir); |
| 248 |
+ |
my(@imgdirlist) = grep { -d "$imgdir/$_" && !/^\.$/ && !/^\.\.$/ } readdir(DIR); |
| 249 |
+ |
closedir DIR; |
| 250 |
+ |
|
| 251 |
+ |
# look through each directoty, as they might |
| 252 |
+ |
# contain images for a particular machine |
| 253 |
+ |
foreach my $machine (@imgdirlist) { |
| 254 |
+ |
# Read the contents of the directory |
| 255 |
+ |
opendir(DIR, "$imgdir/$machine"); |
| 256 |
+ |
my(@imglist) = grep { /\.png$/ && -f "$imgdir/$machine/$_" } readdir(DIR); |
| 257 |
+ |
closedir DIR; |
| 258 |
+ |
|
| 259 |
+ |
# See what rrd we have, and generate the graphs accordingly |
| 260 |
+ |
foreach my $img (@imglist) { |
| 261 |
+ |
chomp $img; |
| 262 |
+ |
# stat the img |
| 263 |
+ |
my($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime, |
| 264 |
+ |
$ctime,$blksize,$blocks) = stat("$imgdir/$machine/$img"); |
| 265 |
+ |
# check if it's old enough to be deleted |
| 266 |
+ |
if((time - $mtime) > $maximgage) { |
| 267 |
+ |
# if so, delete it |
| 268 |
+ |
unlink("$imgdir/$machine/$img"); |
| 269 |
+ |
&log("deleted old image $imgdir/$machine/$img\n"); |
| 270 |
+ |
} |
| 271 |
+ |
} |
| 272 |
+ |
# have a last check, maybe we can remove the directory now? |
| 273 |
+ |
# Read the contents of the directory |
| 274 |
+ |
opendir(DIR, "$imgdir/$machine"); |
| 275 |
+ |
my(@dirlist) = grep { !/^\.$/ && !/^\.\.$/ } readdir(DIR); |
| 276 |
+ |
closedir DIR; |
| 277 |
+ |
if($#dirlist == -1) { |
| 278 |
+ |
rmdir "$imgdir/$machine"; |
| 279 |
+ |
&log("deleted empty image directory $imgdir/$machine\n"); |
| 280 |
+ |
} |
| 281 |
+ |
} |
| 282 |
+ |
} |
| 283 |
+ |
|
| 284 |
+ |
exit(0); |
| 285 |
+ |
|
| 286 |
+ |
|
| 287 |
|
# |
| 288 |
|
# subroutine to make some graphs |
| 289 |
|
# |
| 309 |
|
if(! -d "$imgdir/$machine") { |
| 310 |
|
# not sure on this umask, but it seems to work? |
| 311 |
|
mkdir "$imgdir/$machine", 0777; |
| 312 |
+ |
&log("created directory $imgdir/$machine\n"); |
| 313 |
|
} |
| 314 |
|
my(@rrdcmd); |
| 315 |
|
foreach my $dataitem (@data) { |
| 331 |
|
push @rrdcmd, @rawcmd; |
| 332 |
|
RRDs::graph ("$imgdir/$machine/$type-3h.png", "--start=-10800", @rrdcmd); |
| 333 |
|
my($err_3h) = RRDs::error; |
| 334 |
< |
print STDERR "Error generating 3h graph for $machine/$type: $err_3h\n" if $err_3h; |
| 334 |
> |
&log("created $imgdir/$machine/$type-3h.png\n") unless $err_3h; |
| 335 |
> |
&error("Error generating 3h graph for $machine/$type: $err_3h\n") if $err_3h; |
| 336 |
|
RRDs::graph ("$imgdir/$machine/$type-1d.png", "--start=-86400", @rrdcmd); |
| 337 |
|
my($err_1d) = RRDs::error; |
| 338 |
< |
print STDERR "Error generating 1d graph for $machine/$type: $err_1d\n" if $err_1d; |
| 338 |
> |
&log("created $imgdir/$machine/$type-1d.png\n") unless $err_1d; |
| 339 |
> |
&error("Error generating 1d graph for $machine/$type: $err_1d\n") if $err_1d; |
| 340 |
|
RRDs::graph ("$imgdir/$machine/$type-1w.png", "--start=-604800", @rrdcmd); |
| 341 |
|
my($err_1w) = RRDs::error; |
| 342 |
< |
print STDERR "Error generating 1w graph for $machine/$type: $err_1w\n" if $err_1w; |
| 342 |
> |
&log("created $imgdir/$machine/$type-1w.png\n") unless $err_1w; |
| 343 |
> |
&error("Error generating 1w graph for $machine/$type: $err_1w\n") if $err_1w; |
| 344 |
|
RRDs::graph ("$imgdir/$machine/$type-1m.png", "--start=-2678400", @rrdcmd); |
| 345 |
|
my($err_1m) = RRDs::error; |
| 346 |
< |
print STDERR "Error generating 1m graph for $machine/$type: $err_1m\n" if $err_1m; |
| 346 |
> |
&log("created $imgdir/$machine/$type-1m.png\n") unless $err_1m; |
| 347 |
> |
&error("Error generating 1m graph for $machine/$type: $err_1m\n") if $err_1m; |
| 348 |
|
RRDs::graph ("$imgdir/$machine/$type-1y.png", "--start=-31536000", @rrdcmd); |
| 349 |
|
my($err_1y) = RRDs::error; |
| 350 |
< |
print STDERR "Error generating 1y graph for $machine/$type: $err_1y\n" if $err_1y; |
| 350 |
> |
&log("created $imgdir/$machine/$type-1y.png\n") unless $err_1y; |
| 351 |
> |
&error("Error generating 1y graph for $machine/$type: $err_1y\n") if $err_1y; |
| 352 |
|
return; |
| 353 |
|
} |
| 354 |
|
|
| 374 |
|
else { |
| 375 |
|
return "#000066"; |
| 376 |
|
} |
| 377 |
+ |
} |
| 378 |
+ |
|
| 379 |
+ |
# prints out usage information then exits |
| 380 |
+ |
sub usage() { |
| 381 |
+ |
print "Usage: graph.pl [options]\n"; |
| 382 |
+ |
print "Options\n"; |
| 383 |
+ |
print " -c config Specifies the configuration file\n"; |
| 384 |
+ |
print " default: rrdgraphing.conf\n"; |
| 385 |
+ |
print " -v Be verbose about what's happening\n"; |
| 386 |
+ |
print " -q Be quiet, even supress errors\n"; |
| 387 |
+ |
print " -V Print version number\n"; |
| 388 |
+ |
print " -h Prints this help page\n"; |
| 389 |
+ |
exit(1); |
| 390 |
+ |
} |
| 391 |
+ |
|
| 392 |
+ |
# prints a log message if verbose is turned on |
| 393 |
+ |
sub log() { |
| 394 |
+ |
my($msg) = @_; |
| 395 |
+ |
print $msg if $verbose; |
| 396 |
+ |
} |
| 397 |
+ |
|
| 398 |
+ |
# prints an error message unless quiet is turned on |
| 399 |
+ |
sub error() { |
| 400 |
+ |
my($msg) = @_; |
| 401 |
+ |
print STDERR $msg unless $quiet; |
| 402 |
|
} |
